For More Weather Information:

Grand Marais MN

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 4:11 pm CDT Oct 18, 2026
Forecast Valid: 5pm CDT Oct 18, 2026-6pm CDT Oct 25, 2026

Tonight

W wind 5 to 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 4 ft subsiding to 1 ft or less.

Monday

Variable winds 5 kt or less. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.